Omron V680 Series User Manual page 246

Section 9
Troubleshooting
 System Errors
 CPU Error or Hardware Fault
RUN
Lit green
 System Memory Error
RUN
Flashing green
RFID System
244
User's Manual
(Modbus TCP)
NORM/ERR
Take the appropriate action referring System Errors in this Section
Replace the Reader/Writer if the condition does not change.
p.247
Lit red
NORM/ERR
Take the appropriate action referring System Errors in this Section
Replace the Reader/Writer if the condition does not change.
p.247
* If the Reader/Writer detects a fault, the Reader/Writer will start in the " Safe
Lit red
mode" automatically.
Processing when error occurs
Processing when error occurs